[Proj] Canada NTv2.0 grid shift files

[Nicolas Cadieux]

Hi,
The old license was more restrictive so I guess that was the reason. I see a ticket has been made to include them in the future.
Thanks for responding.
Nicolas

> Le 16 sept. 2018 à 03:45, Saulteau Don <sault.don at gmail.com> a écrit :
> 
> Yea, it's been licensed like that for a while now I thought and they are at http://open.canada.ca/data/en/dataset/b3534942-31ea-59cf-bcc3-f8dc4875081a without having to create and register an account at NRCAN to get them, unless they're different and I missed something. i put in the original request to make them open =)
> 
> Not sure why they got placed under non-free. Maybe it's the liability clause that makes them non-free or not 'true' open data.
> 
> 
> 
> 
> 
>> On Thu, Sep 13, 2018 at 11:59 AM Nicolas Cadieux <nicolas.cadieux at archeotec.ca> wrote:
>> Hi,
>> 
>> According to your web site (see below) Canada’s NTv2.0 grid shift files are considered non-free Grids.  I have recently been in contact with NRCAN regarding this fact and they have confirm that the license of the file is now considered Open under Canada’s Open Data license.  
>> 
>> https://open.canada.ca/en/open-government-licence-canada
>> 
>> We are now “... free to Copy, modify, publish, translate, adapt, distribute or otherwise use the Information in any medium, mode or format for any lawful purpose.”
>> 
>> I am there proposing that Canada’s outdated NTv1.0 file should be removed from the proj packages and be replaced by the NTv2.0 grids.  I can provide the new license, the contacts at NRCAN, if needed, and the latest NTv2.0 file in order to facilitate the proposed changes.
>> 
>> If you are responsible for this part of the project or if there is a more formal way of asking this change, please contact me directly.
>> 
>> Thanks,
>> Nicolas Cadieux
>> 
>> Btw, the link below for the file no longer works. I will provide a new link if needed during a transition period.
>> 
>> 
>> https://proj4.org/resource_files.html
>> “Non-Free Grids
>> 
>> Not all grid shift files have licensing that allows them to be freely distributed, but can be obtained by users through free and legal methods.
>> 
>> Canada NTv2.0
>> 
>> Although NTv1 grid shifts are provided freely with PROJ, the higher-quality NTv2.0 file needs to be downloaded from Natural Resources Canada. More info: http://www.geod.nrcan.gc.ca/tools-outils/ntv2_e.php.”
>> 
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